When should you not use fluorescein?
Contraindications / Precautions
- Extravasation, intraarterial administration, intramuscular administration, intrathecal administration.
- Asthma, eczema, urticaria.
- Contact lenses.
- Cardiac disease, dialysis, myocardial infarction, renal impairment, stroke.
- Pregnancy.
- Breast-feeding.
What is fluorescein eye stain used for?
This is a test that uses orange dye (fluorescein) and a blue light to detect foreign bodies in the eye. This test can also detect damage to the cornea. The cornea is the outer surface of the eye.
What does a corneal abrasion look like fluorescein stain?
After fluorescein staining of the cornea, an abrasion will appear yellow under normal light and green in cobalt blue light. Physicians should carefully examine for foreign bodies and remove them, if present. The goals of treatment include pain control, prevention of infection, and healing.
Which test can be performed to confirm a corneal ulcer?
An eye doctor can diagnose corneal ulcers during an eye exam. One test used to check for a corneal ulcer is a fluorescein eye stain. For this test, an eye doctor places a drop of orange dye onto a thin piece of blotting paper.
What are the side effects of fluorescein?
Side Effects
- Bluish color.
- cold, clammy skin.
- difficulty breathing.
- difficulty swallowing.
- fast heartbeat.
- hives, itching, or skin rash.
- lightheadedness.
- noisy breathing.
Is fluorescein eye stain safe?
What Are the Risks of the Test? This test is risk-free. The fluorescein dye may stain for a few days if it touches the skin around your eye.
How can you tell the difference between a corneal ulcer and an abrasion?
Trauma to the eye (from direct contact or from a foreign body) can cause a corneal abrasion or an ulcer. Abrasions are from superficial scrapes. Ulcers are from deeper “gouges,” or from invasion/infection of a more superficial injury by bacteria or another pathogen (fungus for example).
Who diagnosis corneal ulcer?
Your eye care specialist can diagnose a corneal ulcer with a routine eye exam. During the exam, he or she will ask you about your medical history, recent eye injuries and contact lens wear.
How do you know you have a corneal ulcer?
Corneal Ulcer Symptoms
- Redness.
- Severe pain.
- The feeling that something is in your eye.
- Tears.
- Pus or thick discharge from your eye.
- Blurry vision.
- Pain when looking at bright lights.
- Swollen eyelids.